Circle

1234567891011121314151617181920212223242526272829303132
Across
  1. 2. an eight-sided polygon
  2. 6. half of diameter
  3. 10. a triangle that has two sides of equal length
  4. 11. two circle intersect inexactly one point and their intersection of their interiors is empty
  5. 12. a twelve-sided polygon
  6. 13. divide into two equal parts
  7. 15. a polygon with three edges and three vertices
  8. 16. two lines which meet at a right angle
  9. 17. the longest chord
  10. 18. a shape with 4 equal sides and every angle is a right angle
  11. 20. two circle intersect in exactly one point and the intersection of their interiors is not empty.
  12. 23. a line that intersects the curve in at least two (distinct) points
  13. 24. the portion of a disc enclosed by two radii and a circular arc
  14. 25. a polygon with four edges and four vertices
  15. 26. a polygon that is equiangular and equilateral
  16. 28. between any side of a shape
  17. 29. a six-sided polygon
  18. 31. a nine-sided polygon
  19. 32. is any five-sided polygon
Down
  1. 1. A ∩ B of two sets A and B is the set that contains all elements of A that also belong to B
  2. 3. distance around the edge of a circle
  3. 4. the center of mass
  4. 5. the angle between adjacent sides of a rectilinear figure.
  5. 7. each vertex of the triangle lies on the circle
  6. 8. a triangle in which all three sides are equal
  7. 9. a plane shape with straight sides
  8. 14. a triangle center
  9. 17. a ten-sided polygon
  10. 19. a line segment from the center to the midpoint of one of its sides
  11. 21. circle a circle that passes through all the vertices of the polygon
  12. 22. a seven-sided polygon
  13. 27. a line which touches a circle or ellipse at just one point
  14. 30. a straight line segment whose endpoints both lie on the circle.